JP2002535985A5 - - Google Patents

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JP2002535985A5
JP2002535985A5 JP2000597417A JP2000597417A JP2002535985A5 JP 2002535985 A5 JP2002535985 A5 JP 2002535985A5 JP 2000597417 A JP2000597417 A JP 2000597417A JP 2000597417 A JP2000597417 A JP 2000597417A JP 2002535985 A5 JP2002535985 A5 JP 2002535985A5
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JP
Japan
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analyte
assay
reporter
adenylate kinase
kinase
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Pending
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JP2000597417A
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Japanese (ja)
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JP2002535985A (en
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Priority claimed from GBGB9902659.3A external-priority patent/GB9902659D0/en
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Description

【特許請求の範囲】
【請求項1】 分析物に対するアッセイであって、該分析物を熱安定性リポーターキナーゼと特異的に結合させる工程、ADPを添加する工程、およびATPの形成についてテストする工程を含み、ADPの添加前に、リポーターキナーゼ以外のキナーゼが洗浄によって実質的に除去され、そして該分析物中の残りの内因性キナーゼが加熱により不活性化される、アッセイ。
【請求項2】 前記熱安定性リポーターキナーゼがリポーターアデニル酸キナーゼであり、そして前記分析物と特異的に結合したリポーターアデニル酸キナーゼの量が、分析物の量と実質的に比例する、請求項1に記載のアッセイ。
【請求項3】 前記ATPの形成が、ルシフェリン/ルシフェラーゼを使用して測定される、請求項1または2に記載のアッセイ。
【請求項4】 試料中の分析物の存在および/または量を測定するための請求項1から3のいずれかの項に記載のアッセイであって、
該試料を、該分析物に特異的な結合剤にカップリングしたリポーターアデニル酸キナーゼに曝露して、該リポーターアデニル酸キナーゼが該試料中に存在する分析物と特異的に結合する工程;
分析物と特異的に結合しないリポーターアデニル酸キナーゼを除去する工程;
該分析物と特異的に結合したリポーターアデニル酸キナーゼをADPに曝露する工程;および
ATPの形成についてテストする工程、を含み、
ADPの添加前に、リポーターアデニル酸キナーゼ以外の残りのアデニル酸キナーゼが、加熱により実質的に除去される、アッセイ。
【請求項5】 ATPアーゼを前記分析物に添加する工程、およびADPの添加前に該分析物から該ATPアーゼを除去する工程を含む、請求項1から4のいずれかの項に記載のアッセイ。
【請求項6】 前記ATPアーゼが、該ATPアーゼを加熱することによって不活性化される、請求項5に記載のアッセイ。
【請求項7】 試料中の分析物の存在および/または量を測定するための試薬キットであって、
該分析物または該分析物に特異的な抗体が固定された固相;
該分析物に特異的な抗体にカップリングした熱安定性アデニル酸キナーゼを含むリポーター組成物;および
熱安定性アデニル酸キナーゼによるADPのATPへの変換のためのADPプラス関連試薬、を含む、キット。
【請求項8】 さらにATPアーゼを含む、請求項7に記載のキット。
【請求項9】 試料中の分析物の存在および/または量を測定するためのアッセイであって、
該試料を検出組成物に曝露する工程であって、該検出組成物が、熱安定性酵素にカップリングした該分析物に特異的な抗体を含む、工程;
分析物に特異的に結合した検出組成物(i)を分析物に特異的に結合しなかった検出組成物(ii)から単離する工程;および
該熱安定性酵素に対する基質を添加することによって、分析物に結合した検出組成物の存在および/または量を測定する工程;を含み、
該基質を添加する前に、非熱安定性酵素が熱の適用によって破壊される、アッセイ。
【請求項10】 基質が前記熱安定性酵素によって生成物に変換され、そして該基質の添加前に、該生成物と同一のバックグラウンド化合物が除去される、請求項9に記載のアッセイ。
【請求項11】 前記生成物と同一のバックグラウンド化合物が、酵素の作用または熱不活性化によって除去される、請求項10に記載のアッセイ。
【請求項12】 請求項1から6および9から11のいずれかの項に記載のアッセイにおける使用のための、熱安定性酵素に結合した抗体を含む、結合体。
【請求項13】 前記酵素がアデニル酸キナーゼである、請求項12に記載の結合体。
【請求項14】 前記抗体が、タンパク質、微生物、ペプチド、毒素、ホルモン、および代謝物から選択される分析物に結合する、請求項12または13に記載の結合体。
【請求項15】 前記抗体がプリオンタンパク質に結合する、請求項14に記載の結合体。
【請求項16】 分析物に対するアッセイにおける請求項7または8に記載のキットあるいは請求項12から15のいずれかの項に記載の結合体の使用。
[Claims]
1. An assay for an analyte, the method comprising specifically binding the analyte to a thermostable reporter kinase, adding ADP, and testing for ATP formation, wherein the addition of ADP is performed. Previously, an assay wherein kinases other than the reporter kinase are substantially removed by washing and the remaining endogenous kinase in the analyte is inactivated by heating.
2. The thermostable reporter kinase is a reporter adenylate kinase, and the amount of the reporter adenylate kinase specifically bound to the analyte is substantially proportional to the amount of the analyte. 2. The assay according to 1.
3. The assay according to claim 1, wherein the formation of ATP is measured using luciferin / luciferase.
4. The assay according to claim 1, for determining the presence and / or amount of an analyte in a sample,
Exposing said sample to a reporter adenylate kinase coupled to a binding agent specific for said analyte, wherein said reporter adenylate kinase specifically binds to an analyte present in said sample;
Removing reporter adenylate kinase that does not specifically bind to the analyte;
Exposing a reporter adenylate kinase specifically bound to the analyte to ADP; and testing for ATP formation;
Assay wherein the remaining adenylate kinase other than the reporter adenylate kinase is substantially removed by heating prior to the addition of ADP.
5. The assay according to claim 1, comprising adding an ATPase to the analyte, and removing the ATPase from the analyte before adding ADP. .
6. The assay of claim 5, wherein said ATPase is inactivated by heating said ATPase.
7. A reagent kit for determining the presence and / or amount of an analyte in a sample, comprising:
A solid phase on which the analyte or an antibody specific to the analyte is immobilized;
A reporter composition comprising a thermostable adenylate kinase coupled to an antibody specific for the analyte; and an ADP plus related reagent for the conversion of ADP to ATP by the thermostable adenylate kinase. .
8. The kit according to claim 7, further comprising an ATPase.
9. An assay for determining the presence and / or amount of an analyte in a sample, the assay comprising:
Exposing said sample to a detection composition, said detection composition comprising an antibody specific for said analyte coupled to a thermostable enzyme;
Isolating the detection composition (i) specifically bound to the analyte from the detection composition (ii) not specifically bound to the analyte; and adding a substrate for the thermostable enzyme Measuring the presence and / or amount of the detection composition bound to the analyte;
An assay in which the non-thermostable enzyme is destroyed by the application of heat before adding the substrate.
10. The assay of claim 9, wherein a substrate is converted to a product by said thermostable enzyme and prior to addition of said substrate, background compounds identical to said product are removed.
11. The assay according to claim 10, wherein the same background compound as the product is removed by enzymatic action or heat inactivation.
12. A conjugate comprising an antibody conjugated to a thermostable enzyme for use in an assay according to any one of claims 1 to 6 and 9 to 11.
13. The conjugate of claim 12, wherein said enzyme is adenylate kinase.
14. The conjugate of claim 12, wherein said antibody binds to an analyte selected from proteins, microorganisms, peptides, toxins, hormones, and metabolites.
15. The antibody you bind to prion protein conjugate according to claim 14.
16. Use of a kit according to claim 7 or 8 or a conjugate according to any of claims 12 to 15 in an assay for an analyte.

JP2000597417A 1999-02-05 2000-02-03 Assays with reduced background Pending JP2002535985A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9902659.3A GB9902659D0 (en) 1999-02-05 1999-02-05 Assay with reduced background
GB9902659.3 1999-02-05
PCT/GB2000/000315 WO2000046357A1 (en) 1999-02-05 2000-02-03 Assay with reduced background

Publications (2)

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JP2002535985A JP2002535985A (en) 2002-10-29
JP2002535985A5 true JP2002535985A5 (en) 2007-04-19

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US (3) US6913896B1 (en)
EP (1) EP1151087B1 (en)
JP (1) JP2002535985A (en)
AT (1) ATE394478T1 (en)
AU (1) AU774580B2 (en)
CA (1) CA2360779C (en)
DE (1) DE60038788D1 (en)
DK (1) DK1151087T3 (en)
ES (1) ES2304940T3 (en)
GB (1) GB9902659D0 (en)
PT (1) PT1151087E (en)
WO (1) WO2000046357A1 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6824997B1 (en) 1998-09-18 2004-11-30 Binax, Inc. Process and materials for the rapid detection of streptococcus pneumoniae employing purified antigen-specific antibodies
US20080096236A1 (en) * 1998-08-25 2008-04-24 Binax, Inc. Method for Detecting the Presence of Target Bacteria or a Target Component Carbohydrate Antigen Thereof
US9134303B1 (en) 1998-08-25 2015-09-15 Alere Scarborough, Inc. ICT immunoassay for Legionella pneumophila serogroup 1 antigen employing affinity purified antibodies thereto
GB9902659D0 (en) * 1999-02-05 1999-03-31 Microbiological Res Authority Assay with reduced background
DE10107083C2 (en) * 2001-02-13 2003-02-20 Abdulgabar Salama Pentosan polysulfate as ligand for the detection of prions
GB0406427D0 (en) * 2004-03-22 2004-04-21 Health Prot Agency Biological indicator
GB0508981D0 (en) * 2005-05-03 2005-06-08 Acolyte Biomedica Ltd Distinguishing cells in a sample
WO2007123345A1 (en) * 2006-04-21 2007-11-01 Peoplebio, Inc. Method for differentially detecting multimeric form from monomeric form of multimer-forming polypeptides through three-dimensional interactions
US10466245B2 (en) 2008-02-20 2019-11-05 The Secretary Of State For Health Covalently linked thermostable kinase for decontamination process validation
GB0803068D0 (en) * 2008-02-20 2008-03-26 Health Prot Agency Cross-linked biological indicator
US8183007B2 (en) 2008-07-22 2012-05-22 Promega Corporation ADP detection based methods using adenylate cyclase and bioluminescence
EP2359133B1 (en) * 2008-11-03 2013-07-17 Cytosignet, Inc. Determining immunoglobulins in non-blood body fluids of neonatal ungulates
GB0900151D0 (en) * 2009-01-07 2009-02-11 Health Prot Agency rapid bioluminescence detection system
GB0918016D0 (en) * 2009-10-14 2009-12-02 Univ Portsmouth Biosensor
JP5705448B2 (en) * 2010-03-31 2015-04-22 アクアス株式会社 Microbial activity evaluation method, and water-based microorganism control method using the evaluation method
WO2012170998A1 (en) * 2011-06-10 2012-12-13 Cornell University Immobilized protein system for rapid and enhanced multiplexed diagnostics
GB201115911D0 (en) 2011-09-14 2011-10-26 Health Prot Agency Thermostable assay reagents
JP5882177B2 (en) * 2012-10-19 2016-03-09 株式会社日立製作所 Biological material recovery method and biological material recovery device
EP4036579A1 (en) 2013-03-15 2022-08-03 Arizona Board of Regents on behalf of Arizona State University Biosensor microarray compositions and methods
US20170231539A1 (en) * 2014-08-15 2017-08-17 Hoope Technologies Corporation Devices and methods for fluid sample collection and diagnostic testing
JP6510041B2 (en) 2014-10-08 2019-05-08 プロメガ コーポレイションPromega Corporation Bioluminescent succinate detection assay
US9815886B2 (en) 2014-10-28 2017-11-14 Adma Biologics, Inc. Compositions and methods for the treatment of immunodeficiency
US10259865B2 (en) 2017-03-15 2019-04-16 Adma Biologics, Inc. Anti-pneumococcal hyperimmune globulin for the treatment and prevention of pneumococcal infection
WO2019226841A1 (en) 2018-05-25 2019-11-28 Scanogen Inc. Detection units and methods for detecting a target analyte
KR20220167333A (en) * 2020-05-25 2022-12-20 요코가와 덴키 가부시키가이샤 Method for detecting target molecule in specimen, and target molecule detection kit

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4014745A (en) * 1975-04-30 1977-03-29 Nasa Application of luciferase assay for ATP to antimicrobial drug susceptibility
GB1567606A (en) * 1976-08-24 1980-05-21 Secr Defence Glycerokinases
US4160817A (en) * 1976-09-29 1979-07-10 Research Corporation Application of protein-protein interaction as an assay for the detection of cancer
US4446231A (en) * 1979-10-03 1984-05-01 Self Colin H Immunoassay using an amplified cyclic detection system
CA1173768A (en) * 1980-10-09 1984-09-04 Kazuhiko Nagata Adenylate kinase and process for the production thereof
US4752562A (en) * 1981-01-23 1988-06-21 Baxter Travenol Laboratories, Inc. Detection of serum antibody and surface antigen by radial partition immunoassay
JPS58155099A (en) * 1982-03-12 1983-09-14 Unitika Ltd Reagent for determination of choline esterase
US4628031A (en) * 1984-09-18 1986-12-09 Michigan Biotechnology Institute Thermostable starch converting enzymes
US4656128A (en) * 1985-01-22 1987-04-07 Research Corporation Modified alkaline phosphatase
HU204559B (en) * 1987-08-26 1992-01-28 Akad Wissenschaften Ddr Process for producing molecular proobes connected with enzymes and detecting biomolecules with them
US4855241A (en) * 1988-05-26 1989-08-08 Washington University Tumor diagnostic method
US5366871A (en) * 1991-11-13 1994-11-22 The University Of Utah Ubiquitin-peptide extensions as enzyme substrates
BE1006179A3 (en) * 1992-09-22 1994-05-31 Lambdatech S A Combines for detection and / or biological assay of compound.
US5395752A (en) * 1993-03-19 1995-03-07 Ciba Corning Diagnostics Corp. Long emission wavelength chemiluminescent compounds and their use in test assays
US5962637A (en) * 1994-06-03 1999-10-05 Microbiological Research Authority Toxin assay
GB9414096D0 (en) * 1994-07-13 1994-08-31 Secr Defence Labelled capture assay
US5733541A (en) * 1995-04-21 1998-03-31 The Regent Of The University Of Michigan Hematopoietic cells: compositions and methods
AU707484B2 (en) * 1995-09-14 1999-07-08 Regents Of The University Of California, The Antibodies specific for native PrPsc
US6150172A (en) * 1999-01-08 2000-11-21 The United States Of America As Represented By The Secretary Of Agriculture Method and kit for extracting prion protein
GB9902659D0 (en) * 1999-02-05 1999-03-31 Microbiological Res Authority Assay with reduced background

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